664763787

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{403621}}^1$

素因数の和:403691

約数の個数: 16

約数和(自身を含む): 1000982560

約数和(自身を除く): 336218773

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 403621, 1210863, 3632589, 10897767, 24620881, 73862643, 221587929, 664763787]

約数ペア:

[(1, 664763787), (3, 221587929), (9, 73862643), (27, 24620881), (61, 10897767), (183, 3632589), (549, 1210863), (1647, 403621)]